How to install Python 3.11 on Mac

Today Python version 3.11 has been released which is said to be 10% to 60% faster compared to its predecessor 3.10 version.

If you want to install Python 3.11 on your Mac, you can make use of the Homebrew package manager.

% brew install python@3.11
...
==> Downloading https://ghcr.io/v2/homebrew/core/python/3.11/manifests/3.11.0
...
==> Installing dependencies for python@3.11: mpdecimal, readline, sqlite and xz
==> Installing python@3.11 dependency: mpdecimal
==> Pouring mpdecimal--2.5.1.arm64_ventura.bottle.tar.gz
🍺  /opt/homebrew/Cellar/mpdecimal/2.5.1: 71 files, 2.2MB
...
🍺  /opt/homebrew/Cellar/xz/5.2.7: 95 files, 1.5MB
==> Installing python@3.11
==> Pouring python@3.11--3.11.0.arm64_monterey.bottle.tar.gz
==> /opt/homebrew/Cellar/python@3.11/3.11.0/bin/python3.11 -m ensurepip
==> /opt/homebrew/Cellar/python@3.11/3.11.0/bin/python3.11 -m pip install -v --no-deps --no-index --upgrade --isolated --target=/opt/homebrew/lib/pyth
==> Caveats
Python has been installed as
  /opt/homebrew/bin/python3.11

Unversioned and major-versioned symlinks `python`, `python3`, `python-config`, `python3-config`, `pip`, `pip3`, etc. pointing to
`python3.11`, `python3.11-config`, `pip3.11` etc., respectively, have been installed into
  /opt/homebrew/opt/python@3.11/libexec/bin

Once installed, based on your Mac Chip type (M1/M2 ARM or Intel) you should get a note in the logs where is Python 3.11 installed on your file system.

Python has been installed as
  /opt/homebrew/bin/python3.11

Running the Python 3.11 Shell:

% sudo /opt/homebrew/bin/python3.11
Password:
Python 3.11.0 (main, Oct 25 2022, 13:57:33) [Clang 14.0.0 (clang-1400.0.29.202)] on darwin
Type "help", "copyright", "credits" or "license" for more information.

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